A. Jonathan Shaw

Phylogeny and morphological evolution of the amblystegiaceae (Bryopsida).

C. Cox, A. J. Shaw, A. Vanderpoorten, 2002, Molecular phylogenetics and evolution.

Newly resolved relationships in an early land plant lineage: Bryophyta class Sphagnopsida (peat mosses).

C. Cox, J. Greilhuber, W. Buck, 2010, American journal of botany.